He is attempting to reframe, implying his critics just desire a ego-win for "guessing correctly" based on animalistic instinct (heuristics as he put it) while his superior intellect was deceived by a black-swan event that no rational person could predict. He is throwing out "you won" because he still believes his critics and vaccine critics are lowly types who would be satisfied with such a hollow victory. He does not get it at all, yet.